76825656087 has 4 divisors (see below), whose sum is σ = 102434208120. Its totient is φ = 51217104056.

The previous prime is 76825656067. The next prime is 76825656109. The reversal of 76825656087 is 78065652867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78065652867 = 3 ⋅26021884289.

It is a cyclic number.

It is not a de Polignac number, because 76825656087 - 2⁶ = 76825656023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76825656087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76825656007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12804276012 + ... + 12804276017.

It is an arithmetic number, because the mean of its divisors is an integer number (25608552030).

Almost surely, 2^76825656087 is an apocalyptic number.

76825656087 is a deficient number, since it is larger than the sum of its proper divisors (25608552033).

76825656087 is a wasteful number, since it uses less digits than its factorization.

76825656087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25608552032.

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 76825656087 in words is "seventy-six billion, eight hundred twenty-five million, six hundred fifty-six thousand, eighty-seven".